Electro Harmonix 12AY7 / 6072A

The Electro Harmonix 12AY7 is a current production valve made in Russia and suitable for amps that use the 12AY7.

These are premium and tested on specialised digital and analogue testing equipment by Karltone as follows 

• Gain (A)
• Transconductance (gm) 
• Noise (dbv)
• Microphonics
• Emission Quality
• Grid Leakage
• Shorts

Test results are provided with purchase